Snapcaster Mage Snapcaster Mage went from the best blue creature ever and a blue staple across multiple formats to a barely playable card
Gixian Puppeteer is basically Sheoldred at home, draining for two whenever we draw our second card of a turn, which helps keep our life total high and also gives us a way to burn our opponent out of the game without attacking
There's also the Ultima spell (learnable only by Ramza and Alma, as well as Luso in the remake, and only during two storyline fights) and the Zodiac summon (learnable only by summoners, during one optional fight), which are taught by being hit with (and surviving) the skill in combat, as opposed to most skills which are purchased with JP
This is much cheaper compared to the market price, as seen at TCGplayer, which has it listed at around $528
Braids, Cabal Minion
Now I know a card being the first creature with a casting cost of XX may not excite all of you, but it makes me smile